Long He

Title: Innovations of Long He in Fractured Formation Plugging

Introduction

Long He is a notable inventor based in Chengdu, China, recognized for his contributions to the field of petroleum engineering. He holds two patents that focus on advanced methods for plugging fractured formations, which are critical in enhancing oil recovery and ensuring the integrity of well operations.

Latest Patents

One of Long He's latest patents is titled "Multi-slug staged method for plugging fractured formation." This innovative method involves determining the average opening of fractures around a well and utilizing specific particle sizes for effective plugging. The process includes sequentially injecting a specially formulated plugging slurry to achieve optimal results in fractured formation plugging.

Another significant patent is "Plugging agent with temperature-resistant, salt-resistant and high-expansion for plugging large fractures and preparation method thereof." This patent describes a unique plugging agent system that consists of various components, including a main agent, cross-linking agent, and additives. The preparation method involves creating a montmorillonite dispersion system and subjecting it to specific conditions to achieve gelation, resulting in a highly effective plugging agent.

Career Highlights

Long He is affiliated with Southwest Petroleum University, where he contributes to research and development in petroleum engineering. His work focuses on innovative solutions for challenges faced in the oil and gas industry, particularly in the area of well integrity and formation plugging.

Collaborations

He collaborates with esteemed colleagues such as Gao Li and Zujun Jiang, who share his commitment to advancing technology in the petroleum sector. Their combined expertise fosters a productive research environment that leads to significant advancements in the field.

Conclusion

Long He's innovative patents and contributions to petroleum engineering demonstrate his commitment to improving oil recovery techniques and well integrity. His work continues to influence the industry positively, showcasing the importance of innovation in addressing complex engineering challenges.